Home / 13,682.52-20,525.94-4,923.72

Finding the Fourth Proportional to 13,682.52, 20,525.94 and 4,923.72

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Solution

The fourth proportional to 13,682.52, 20,525.94 and 4,923.72 is: 7,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.52 : 20,525.94 = 4,923.72 : x
  2. Step 2: Convert to fraction form
    13,682.52/20,525.94 = 4,923.72/x
  3. Step 3: Cross multiply
    13,682.52x = 20,525.94 × 4,923.72
  4. Step 4: Simplify right side
    13,682.52x = 101,063,981.30
  5. Step 5: Solve for x
    x = 101,063,981.30/13,682.52
  6. Step 6: Final answer
    x = 7,386.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.